https://github.com/kivy-garden/garden.smaa

SMAA widget - Subpixel Morphological Antialiasing
https://github.com/kivy-garden/garden.smaa

Last synced: about 1 month ago
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SMAA widget - Subpixel Morphological Antialiasing

• Host: GitHub
• URL: https://github.com/kivy-garden/garden.smaa
• Owner: kivy-garden
• License: mit
• Created: 2014-02-17T13:05:51.000Z (almost 11 years ago)
• Default Branch: master
• Last Pushed: 2014-12-23T07:37:55.000Z (about 10 years ago)
• Last Synced: 2023-03-30T19:42:52.449Z (over 1 year ago)
• Language: C
• Size: 242 KB
• Stars: 5
• Watchers: 13
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# SMAA widget

This widget applies a Subpixel Morphological Antialiasing (SMAA) to all the

children. It's a 3-pass shader and works currently only on Desktop. You need at

minimum OpenGL 4.3 or 4.4 drivers. It also require at least Kivy 1.8.1 from git.

It has been tested only on Linux with NVIDIA card (GTX 560, 310.44 drivers)

Read more about SMAA:

- Official Website: http://www.iryoku.com/smaa/

- Source code: https://github.com/iryoku/smaa

# Usage

The widget is intended to be used with vector graphics. Don't use it with text

or images in it, cause if you have already anti-aliasing on the font or image,

it will add more AA, which result to bad AA. Ie for a text, it will shrink more

the font's weight.

You need to pass the size of the SMAA widget from the start. It doesn't support

any resizing at the moment.

![Comparaison](/screenshot.png)

Example:

```python

from kivy.garden.smaa import SMAA

from kivy.app import App

from kivy.core.window import Window

from kivy.uix.widget import Widget

from kivy.graphics import Color, Triangle

class SMAAApp(App):

	def build(self):

		smaa = SMAA(size=Window.size)

		wid = Widget()

		w, h = Window.size

		with wid.canvas:

			Color(1, 1, 1)

			Triangle(points=(

				w / 2 - w * .25, h / 2 - h * .25,

				w / 2, h / 2 + h * .25,

				w / 2 + w * .25, h / 2 - h * .25))

		smaa.add_widget(wid)

		return smaa

SMAAApp().run()

```